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| author | Werner Koch <[email protected]> | 1999-04-18 08:18:52 +0000 |
|---|---|---|
| committer | Werner Koch <[email protected]> | 1999-04-18 08:18:52 +0000 |
| commit | 1feae2011ccd122ffb9a8f28013a13e57fc0b4fd (patch) | |
| tree | 981a2000ffe3b4349bf3f2b8dbe845a60c15c95a /cipher/elgamal.c | |
| parent | See ChangeLog: Fri Apr 9 12:26:25 CEST 1999 Werner Koch (diff) | |
| download | gnupg-1feae2011ccd122ffb9a8f28013a13e57fc0b4fd.tar.gz gnupg-1feae2011ccd122ffb9a8f28013a13e57fc0b4fd.zip | |
See ChangeLog: Sun Apr 18 10:11:28 CEST 1999 Werner Koch
Diffstat (limited to '')
| -rw-r--r-- | cipher/elgamal.c | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/cipher/elgamal.c b/cipher/elgamal.c index 90d5aca18..9d9058f97 100644 --- a/cipher/elgamal.c +++ b/cipher/elgamal.c @@ -245,11 +245,16 @@ encrypt(MPI a, MPI b, MPI input, ELG_public_key *pkey ) { MPI k; + /* Note: maybe we should change the interface, so that it + * is possible to check that input is < p and return an + * error code. + */ + k = gen_k( pkey->p ); mpi_powm( a, pkey->g, k, pkey->p ); /* b = (y^k * input) mod p * = ((y^k mod p) * (input mod p)) mod p - * and because input is < p (FIXME: check this!) + * and because input is < p * = ((y^k mod p) * input) mod p */ mpi_powm( b, pkey->y, k, pkey->p ); |